Spaces in cURL Header Options

Today I have been working on a small internal integration with the Project Management application TeamWork. I had tested in Postman a POST request that had successfully created a task but when replicated in FileMaker with the following cURL Header Options had generated an error as illustrated below:

After a little investigation I came across a 2017 DevCon presentation by Steve Winter [Explore cURL for FileMaker (Innovation 004) - YouTube ] illustrating many good disciplines in terms of formatting requests but in my circumstances highlighting the dangers of adding unwanted spaces within a string and how important it is to correctly comment these out. As a result I amended my cURL Header Options to the following: